Qualitative and quantitative contents of organic acids in multivitamin plant raw materials studied using various physicochemical methods

被引：0
|
作者：
A. I. Marakhova
V. Yu. Zhilkina
E. V. Sergunova
A. A. Sorokina
Ya. M. Stanishevskii
M. A. Khachaturyan
机构：
[1] Peoples’ Friendship University of Russia,
[2] I. M. Sechenov First Moscow Medical State University,undefined
来源：
Russian Chemical Bulletin | 2016年 / 65卷
关键词：
potentiometry; coulometry; thin layer chromatography; mixture of multivitamin plant raw materials; rose hips; ash fruits; black-currant fruits; organic acids; ascorbic acid; aqueous extracts; tinctures;
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学科分类号：
摘要：
The results of qualitative analysis of organic acids in multivitamin mixtures No. 1 and No. 2 are presented. The contents of malic, citric, and ascorbic acids were established in the mixtures by thin layer chromatography. The quantitative analysis of the sum of organic acids and ascorbic acid was carried out using the developed potentiometric titration procedure, and the results were compared with the data of indicator titration and coulometry. The advantage of using potentiometry for a more exact establishment of the final titration point was shown.
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页码：2779 / 2782
页数：3
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